Add Yahoo as a preferred source to see more of our stories on Google. Almost every month, I suggest the Subtotal feature to a reader. It's an easy-to-use feature that summarizes data by groups. You ...

Unlike SUM, which ignores filters, SUBTOTAL dynamically adjusts to display only visible data. It offers 11 built-in functions, with additional options (101-111) that account for hidden rows. When ...

We all start with SUM. It’s simple and reliable — until your data gets messy. Once you begin filtering or hiding rows, SUM no longer reflects what you see. That’s when SUBTOTAL helps. It can ignore ...